Bad Design

1
Bad Design

• Team 21

2
How to use it !?

• One button contains too many functions
  (Mapping)
• Buttons are confusing, hard to operate its system
  (Affordance Constraint)

3
Confusing

• Error doesnt provide a clear explanation
  (Feedback)
• Instruction book is too thick! (Usability)

4
Possible Improvements

• Replace the confusing words with the common usage
• Reducing functions of each button by applying a
  touch screen.
• Give a brief explanation of what the operational
  error.

5
Team 21

• Kevin
• Jocelyn
• Joy
• Michael